APA引文

Thapa, S. (2011). Factors associated with the early discontinuation of intra uterine device: A nested case control study.

芝加哥风格引文

Thapa, Subash. Factors Associated with the Early Discontinuation of Intra Uterine Device: A Nested Case Control Study. 2011.

MLA引文

Thapa, Subash. Factors Associated with the Early Discontinuation of Intra Uterine Device: A Nested Case Control Study. 2011.

警告:这些引文格式不一定是100%准确.